An expression in the usage of a language that is peculiar to itself either in having a meaning that cannot be derived from the conjoined meanings of its elements or in its grammatically atypical use of words.
Idiom:
lay one's hands on (someone)
Meaning:
to do violence to someone, to harm or hurt someone
Example:
The man said that if he ever lays hands on the person who stole his car he will take him to the police.
List of common idioms, their meanings and examples of their usage in sentences
An idiom is defined as - a group of words whose meaning is different from the meanings of the individual words.